查询词典 standardized normal distribution

Since financial asset returns don't often follow the hypothesis of normal distribution, we try to evaluate VaR by mixture of normal distribution and extreme value theory. The purpose of my study uses various Value at Risk models for monitoring the market risk of foreign investment port folio.

本研究主要目的在比较何种方法在估计汇率波动风险值时较具准确性，希望能够提供一客观风险揭露的参考工具，让必须面临汇率风险的企业及金融机构能有效判断目前的风险程度，以采取必要之避险措施。

It assumed that the initiating life of single crack follows logarithmic normal distribution or normal distribution according to existing research and experimental results.

该方法简化了飞机结构发生MSD可能性的计算，为飞机结构的安全性评估提供基础。

When the variance was known and the conjugate prior distribution was normal,a Bayes estimation of loss-function and risk function of logarithmic normal distribution was given.

方差已知时，给出共轭先验分布为正态分布下，对数正态分布的损失函数和风险函数的Bayes估计，得到其Bayes估计为保守估计的条件

In view of the existing situation that forest tree heritabilities is estimated too extensively, the paper elaborated the effect of non normal distributions (citing the normal logarithmic distribution and Γ distribution as instances) on estimating heritabilities with simulated data.

针对林木遗传力估算过于粗放的情况，该文以对数正态分布和Γ-分布为例，应用模拟数据阐述了非正态分布对林木遗传力估算的影响。

So a Matlab p rogram is developed to op timize interval estimation on variance of normal distribution and p rovide arith2 metic of hypothesis testing on variance of normal distribution.

5统计工具箱没有优化正态总体方差的区间估计，且没有给出正态总体方差检验的问题，通过编写Matlab程序，优化统计工具箱对正态总体方差的区间估计，开发正态总体方差的假设检验算法。

By applying normal testing methods to two different examination papers in this essay, the author obtains the following results: Paper One tallies with normal distribution, indicating that the paper is more reasonable and objective; Paper Two is in the shape of negative skewness and lepmokurtic distribution, showing that the paper is easier than the required and less reasonable.

本文采用数理统计正态性检验法对两份不同的英语试卷考分进行了正态性检验，结果表明：试卷Ⅰ考分的分布服从正态分布，说明其命题难易适当、较为客观、合理；试卷Ⅱ考分的分布呈负偏态、尖峭峰，说明其命题较容易，且不合理。

Considering the impacts of \'excessive fitting\' and \'unusual point\' on identification, a weighted least squares support vector machine which based on the normal distribution function is proposed in this thesis. Its weighted rules mainly apply some statistical characteristics of the normal distribution faction.

考虑'过度拟合'和'野值点'对辨识模型的影响，应用正态分布函数的一些特性，本文提出基于正态分布加权的最小二乘支持向量机。

So this paper selects Rescaled Range Analysis which not only analyses normal distribution series but also analyses non-normal distribution series.

因此，本文选择了R／S分析法，它不仅能对正态分布序列进行分析，还能对非正态分布序列进行分析。

Normal distribution is the most important distribution in the probability theory, the discovery of normal probability curve has revealed the evolution of De Moivre's probability thought.

正态分布是概率论中最重要的分布，其发现揭示了棣莫弗概率思想的发展过程及其对概率论发展所做的奠基性工作。

Normal distribution analysis showed that the sensitivity of these isolates to azoxystrobin was fitted well with a normal distribution function,but that of sporangial formation was not.The results suggested that,under natural conditions in Guangdong,there were some strains of capsicum blight pathogen that had resistance to the fungicide to some extent.

正态分析表明，辣椒疫病菌54个菌株菌丝生长对嘧菌酯的敏感性符合正态分布，而孢子萌发则在高浓度区具有拖尾现象，表明自然界中已存在个别具有一定耐药性的辣椒疫霉种群。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。